نتایج جستجو برای: impulsive period

تعداد نتایج: 501006  

Journal: :Archives of sexual behavior 1994
E J Kanin

With the cooperation of the police agency of a small metropolitan community, 45 consecutive, disposed, false rape allegations covering a 9 year period were studied. These false rape allegations constitute 41% the total forcible rape cases (n = 109) reported during this period. These false allegations appear to serve three major functions for the complainants: providing an alibi, seeking revenge...

2012
Saori Nishikawa Shota Nishitani Takashi X. Fujisawa Ippei Noborimoto Takayuki Kitahara Tsunehiko Takamura Kazuyuki Shinohara

This study examined (1) the interrelationships among 5-HTTLPR genotype, perceived parental rejection, and impulsivity, and (2) meditational models in which perceived paternal/maternal rejection mediates the relationship between the 5-HTTLPR genotype and impulsive behaviour. Participants included 403 adults (152 males and 252 females, mean age = 24.20) who provided genetic data and a set of the ...

This study examined the effects of cooperative learning techniques (CLT) on vocabulary achievement of reflective/impulsive Iranian EFL Learners. From among 130 students at Fajr institute in Dehdasht, Kohkiloyeh and Boyer Ahmad Province, Iran, 90 participants were selected based on their performance on the Oxford Placement Test (OPT). The participants were then divided into two experimental grou...

This study examined the effects of cooperative learning techniques (CLT) on vocabulary achievement of reflective/impulsive Iranian EFL Learners. From among 130 students at Fajr institute in Dehdasht, Kohkiloyeh and Boyer Ahmad Province, Iran, 90 participants were selected based on their performance on the Oxford Placement Test (OPT). The participants were then divided into two experimental grou...

2003
Jitao Sun Yinping Zhang Fei Qiao Qidi Wu

Based on stability theory of impulsive differential equation and new comparison theory of impulsive differential system, we study the chaos impulsive synchronization of two coupled chaotic systems using the unidirectional linear error feedback scheme. Some generic conditions of chaos impulsive synchronization of two coupled chaotic systems are derived, and to apply the conditions to typical cha...

2009
Yong-Bin Yu Hong-Bin Zhang Zhu-Sheng Kang Xiao-Feng Liao Jue-Bang Yu

⎯A novel framework for chaos and its impulsive control in Chua’s oscillator via time-delay feedback is presented. The exponential stability of impulsive control Chua’s oscillator via time-delay feedback is considered, and some novel conditions are obtained. Then a novel impulsive controller design procedure is proposed. Simulation experiments are provided to demonstrate the feasibility and effe...

2006
ZHICHUN YANG DAOYI XU

The attractivity of nonlinear differential equations with time delays and impulsive effects is discussed. We obtain some criteria to determine the attracting set and attracting basin of the impulsive delay system by developing an impulsive delay differential inequality and introducing the concept of nonlinear measure. Examples and their simulations illustrate the effectiveness of the results an...

2004
Y. H. Ma Y. L. Guan

The impulsive noise is the main cause of packet errors in power line communication networks. In this paper, the bit error rate (BER) and medium access control (MAC) protocol analytical models under impulsive noise interference are developed. The accuracy of the developed models is verified by computer simulations. In the computer simulations, the Poisson arrival of the impulsive noise is simula...

2010
Hunki Baek

In this paper, we study an impulsively controlled predator-prey model with MonodHaldane functional response. By using the Floquet theory, we prove that there exists a stable prey-free solution when the impulsive period is less than some critical value, and give the condition for the permanence of the system. In addition, we show the existence and stability of a positive periodic solution by usi...

2010
Per Danzl Ali Nabi Jeff Moehlis JEFF MOEHLIS

This paper explores event-based feedback schemes for controlling spike timing in phase models of neurons with the constraint of a chargebalanced stimulus over a period of stimulation. We present an energy-optimal control system based on variational methods. We also present a biologicallyinspired quasi-impulsive control system that, mimicking the signaling behavior of real neurons, can achieve r...

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